Power Systems A buchholz relay is used for protection of a transformer against all internal faults both 1 and 2 nether 1 nor 2 protection of a transformer against all external faults protection of a transformer against all internal faults both 1 and 2 nether 1 nor 2 protection of a transformer against all external faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 400 Ω 840 Ω 420 Ω 210 Ω 400 Ω 840 Ω 420 Ω 210 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Binary vapor cycle are used for improving the condenser performance. increasing the turbine efficiency. improving the plant efficiency. All of these improving the condenser performance. increasing the turbine efficiency. improving the plant efficiency. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the breakdown voltage of the insulator is high, the thickness of the insulator is None of these less high it does not related to breakdown voltage None of these less high it does not related to breakdown voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the length of the transmission line, the charging current decreases remains unaffected None of these increases decreases remains unaffected None of these increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems What should be the minimum depth (in metre)of cable trench to dug for laying of 1.1 kV? 1.20. 0.90. 0.75. 1.05. 1.20. 0.90. 0.75. 1.05. ANSWER DOWNLOAD EXAMIANS APP
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